679159952 has 20 divisors (see below), whose sum is σ = 1318741116. Its totient is φ = 338839680.

The previous prime is 679159853. The next prime is 679159963. The reversal of 679159952 is 259951976.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 348792976 + 330366976 = 18676^2 + 18176^2 .

It is a super-2 number, since 2×679159952² = 922516480801284608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679159894 and 679159903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38663 + ... + 53414.

Almost surely, 2^679159952 is an apocalyptic number.

It is an amenable number.

679159952 is a deficient number, since it is larger than the sum of its proper divisors (639581164).

679159952 is a wasteful number, since it uses less digits than its factorization.

679159952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92546 (or 92540 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 53.

The square root of 679159952 is about 26060.6974580497. The cubic root of 679159952 is about 879.0036726692.

The spelling of 679159952 in words is "six hundred seventy-nine million, one hundred fifty-nine thousand, nine hundred fifty-two".